Radar (acronym for Radio Detection and Ranging) uses radio waves to detect objects in the environment. It allows determining the distance (known as range), angular position (bearing), and velocity.

Originally, the term "radar" was an acronym derived from the phrase "radio detection and ranging." It was first used as a code word by the U.S. Navy in 1940. Other early names included the British RDF ...

Intended to serve as a general reference for those working in the broad range of professional disciplines involved in AEW-related activities, this text addresses AEW systems, their capabilities and ...